{"product_id":"sys-tech-ranger-l-note-replacement-battery-12v-3800mah-ni-mh","title":"Sys-Tech Ranger l-Note 12V Replacement Battery DR36 45.6Wh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSys-Tech Ranger l-Note — 12V Ni-MH Replacement Battery (DR36)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 12V, 3800mAh Ni-MH replacement battery for the Sys-Tech Ranger l-Note notebook computer. It replaces OEM part numbers DR36 and DR36S. Capacity is rated at 45.6Wh, matching the original cell specification for this platform.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRanger l-Note platform fit:\u003c\/strong\u003e\n    The DR36 and DR36S share the same 12V rail, connector pinout, and BMS handshake on the Ranger l-Note. Both OEM part numbers are interchangeable on this platform — the cell chemistry and contact configuration are identical across the run.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge, full load discharge, and BMS cutoff on the Ranger l-Note platform. The BMS negotiated correctly, charge termination triggered at capacity, and no false low-voltage cutoff events occurred under sustained CPU and display load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle conditioning on Ni-MH:\u003c\/strong\u003e\n    Ni-MH cells ship in a partially discharged state. After installing, run the Ranger l-Note down to hibernate-cutoff, then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell and clears the inaccurate health warning that appears after every cell swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Ranger l-Note shuts down at 20–30% after a battery swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe fuel gauge IC on the Ranger l-Note tracks capacity against a charge profile stored from the previous cell. After a swap, that stored profile no longer matches the new cell's actual discharge curve. When the system hits a voltage point it associates with near-empty — even if real capacity remains — it initiates shutdown. Running two to three full discharge-to-hibernate and uninterrupted-charge cycles recalibrates the IC against the new Ni-MH cell. Shutdown events at false percentages should stop after the third calibration cycle.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBIOS reporting battery health as poor immediately after fitting a new cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe BIOS reads health data from EEPROM values written by the previous battery over its service life. A new cell resets physical capacity but does not automatically overwrite that stored EEPROM health record. The system sees a mismatch between the EEPROM data and the new cell's charge behaviour and flags it as degraded. Complete the full discharge-to-hibernate and uninterrupted recharge cycle once — this triggers the BIOS battery learn cycle and overwrites the stale health record with data from the new cell.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43410855952474,"sku":"BWCS-DR36HB-1","price":89.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43410855985242,"sku":"BWCS-DR36HB-2","price":105.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43410856018010,"sku":"BWCS-DR36HB-3","price":118.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DR36HB-big.webp?v=1779581376","url":"https:\/\/batteryweb.com\/products\/sys-tech-ranger-l-note-replacement-battery-12v-3800mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}